Answer:
Step-by-step explanation:
For Medium speed bump
AQ AP AQ SP SQ SP
1,400 $ 1.80 1,400 $ 1.00 1,500 $ 1.00
$ 2,520.00 $ 1,400.00 $ 1,500.00
A B C
DMPV A-B $ 1,120.00 U
DMQV C-B $ 100.00 F
DMV A-C $ 1,020.00 U
We know that Direct material price variance = AQ(AP-SP) = 1120
AQ = 1120/(AP-SP)
AQ = 1120/(1.80-1.00)
AQ = 1,400
SQ = 100 x 15 = 1500
For Large speed bump
AQ AP AQ SP SQ SP
6,400 $ 2.10 6,400 $ 1.80 7,200 $ 1.80
$ 13,440.00 $ 11,520.00 $ 12,960.00
A B C
DMPV A-B $ 1,920.00 U
DMQV C-B $ 1,440.00 F
DMV A-C $ 480.00 U
Using this equation , DMV = DMPV + DMQV
DMQV = DMV-DMPV
DMQV = 480-1920
DMQV = 1440 F
Direct material quantity variance = SP(SQ-AQ) = 1440
SQ-AQ = 1440/SP
1440/SP + AQ = SQ
1440/1.8 + 6400 = SQ
SQ = 7200